One in eight adults regularly takes supplements to improve sleep, yet many of them still suffer from sleep disorders, according to researchers cited by The New York Times.

According to scientists, melatonin is no better than placebo in about half of cases. Magnesium, meanwhile, is effective primarily for seizures, but not for insomnia. Plant extracts marketed as sleep aids also lack sufficient evidence.

Experts point out that the real causes of sleep disturbances are most often an irregular daily routine, chronic stress, and using technology at night.

Researchers recommend maintaining a consistent wake-up time and engaging in regular physical activity as effective and affordable alternatives. According to them, these measures provide sustainable, long-term results and are inexpensive.